a transparent optical device used to converge or diverge transmitted light and to form images | the act of touching physically |
electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons | close interaction |
biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina | (electronics) a junction where things (as two electrical conductors) touch or are in physical contact |
(metaphor) a channel through which something can be seen or understood | a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication |
| a channel for communication between groups |
| a communicative interaction |
| the physical coming together of two or more things |
| a person who is in a position to give you special assistance |
| the state or condition of touching or of being in immediate proximity |